Toy.



\C.` C. MULDNER, 1n.

TOY.

APPLICATION man APR.2|. 1916.

11.238.554., Patentemug. 28,1917.

NITE @TATE ATENT CARL C. MULDNER, JR., OF MAPLEWOOD, MISSOURI.

TOY.

Specification of Letters Patent.

Patented Aug. 28, i917.

Application led April 21, 1916. Serial No. 92,799.

To all whom t may concern:

Be it known that I, CARL C. MULDNER, J r., a citizen of the United States, residing at Maplewood, in the county of St. Louis and State of Missouri, have invented certain new and useful Improvements in Toys, of which the following is a specification.

My invention relates to toys, and more particularly to that class of mechanical toys known as turbines or engines adapted to be propelled by means of either hot or coldair currents or drafts.

The object of my invention is to providea simple, cheap and durable toy turbine or engine adapted to be propelled by means of the hot-air currents escaping into a room from a hot-air register or from cold-air drafts blowing through a window, door, or similar opening.

With the above and other objects in view, the invention consists in certain new and novel arrangements and combination of parts, as will beimore fully described hereinafter and finally pointed out in the claims hereto appended.

Referring to the accompanying drawings forming a part of this specification wherein like characters of reference denote similar part-s throughout the several views:

Figure 1 is a front elevation of a toy constructed in accordance with my invention.

Fi g. 2 is a sectional view thereof.

In carrying out the aim of my invention I employ a preferably flat, metallic sheet 1 constituting the base of my toy. The base is provided with a central openingto permit air currents to pass through the base. Each corner of the base is preferably bent at a right angle to the base, as at 3. The bent corners 3 are adapted to be inserted into crevices or openings in the hot-air register (not shown) for normally supporting the base in position upon a hot-air register.

A preferably circular band 4 is arranged concentrically with the opening 2 in the base 1. This band is mounted upon the base 1 and suitably secured thereto by means of solder, or any other suitable fastening means, as at 5. This arrangement it will be observed provides an air passage through the band communicating with the opening in the base 1.

A fan-wheel 6 consisting of a plurality of radially disposed twisted blades is arranged concentrically with the opening 2 and the passage formed by the metallic band, and

is mounted to revolve within the passage formed by the band 4.

The fan-wheel 6 is formed from a single sheet of metal preferably from the circular piece stamped from the base 1 for providing the opening 2. The fan-wheel 6 is suitably secured to a drive shaft 7. Driveshaft 7 is suitably and rotatably supported at each end by means of a pair of opposed crosspieces 8 constituting bearings. These crosspieces or bearings 8 span the passage formed by the band 4L and are bent at each end and secured to the inner wall of the band 4; by solder, or by any other suitable fastening means, as at 9, for holding the cross-pieces in position. A brass or other suitable washer or bushing 10 is suitably secured to the cross-pieces 8 through which the driveshaft 7 is adapted to pass. These washers or bushings provide a more substantial bearing for the drive-shaft 7 than the mere thickness of the metal of the cross-pieces 8.

The blades of the fan-wheel 6 are bent substantially at an angle of forty-five degrees, although they may be bent to any other suitable angle desired or found best adapted for the purpose intended. The blades may be curved if found desirable.

A suitable pulley 11 is secured to the outer end of the drive-shaft 7. A suitable belt 12 may be driven by means of the pulley for propelling other toys, if desired. This toy, in such instance, then acting as the source of power.

From the foregoing description it will be observed that I provide a toy adapted to act as an engine or turbine thereby taking the place of the usual toy steam engine and eliminating the use of water and fuel as used in toy steam engines, hence making my de vice a safer and more economical toy for the amusement of children.

It will be remembered that my toy can be actuated by either hot or cold-air currents, that the hot-air currents are utilized preferably from the hot-air registers in a home, and the cold-air currents that may pass through awindow, a door, or similar opening.

What I claim is:

1. A toy comprising a supporting plate having a central opening, a circular band of a diameter approximately the same as said central opening secured to the top of said plate and arranged concentrically withY the opening in said plate to form an air-pas sage, a erossspece secured at earth end te opposite sides of said band at the upper edge thereof so that the upper face of said crosspiece will lie lush with the upper edge of said band, a second cross-piece spanning 'the air-passage formed by said circular band, said second cross-piece being positioned directly below said first-mentioned cross-piece and having its ends secured to `the .inner face of the band a suitable distance above the lower edge ot said circular band, a` driveshaft revolubly mounted in and supported by said upper and lower cross-pieces, a onepiece .fan wheel .formed by radially slitting a circular blank and providing a plurality of Yfan blades adaptedV 'to be twisted to permit the fan wheel being rotatably driven by inea-ns of air-currents passing through the aforesaid air passage, and a. drive-pulley iXed to the end of the drive-shaft adjacent the u pper cross-piece.

2. A toy comprisinga supporting' plate having a central opening of considerably less diameter than the width of said plate, a circular band positioned at its lower end in said opening'- and {iX-ed at its lower end to said plate, said circular `band being of a sufficient height to ,provide an air-passage, said plate being greater in diameter than said circular band to retard air-currents passing around the edge plate and periph- Gopesef this patent vmay be obtained for.

a hot-air register grate when said grate is located in the vertical wall of a room for Y retaining 'the toy in position upon the grate, a cross-piece secured at each end to opposite sides of said band at the upper edge thereof so that the upper face of said cross-.piece will lie flush with the upper end of said band, a second cross-piece spanning the airpassage formed by said circular band, said second cross-piece being positioned directly below said Erst-mentioned vcross-piece and having its ends secured to the innerface off the band a suitable distance above the lower edge of said circular band, a drive shalt revolubly mounted in and supported said upper and lower Cross-pieces, a one-piece L' fan wheel formed by radially slitting a circular blank anclproviding a plurality of fan blades adapted to be twisted to permit the 'fan .wheel being rotatably driven by means of air-currents passing through Athe aforesaid air-passage, and a drive pulley fixed to the end of the drive shatad'jacent the upper cross-piece.

CARL c. MULDNER, JR.

ve cents each, by addressing the Commissioner o1!` Patents;

Washington, D. C, 

